| Index: third_party/lua/src/luac.c
|
| diff --git a/third_party/lua/src/luac.c b/third_party/lua/src/luac.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..5081836d4cb9b8542b3911e87f6ccf509189abf8
|
| --- /dev/null
|
| +++ b/third_party/lua/src/luac.c
|
| @@ -0,0 +1,432 @@
|
| +/*
|
| +** $Id: luac.c,v 1.69 2011/11/29 17:46:33 lhf Exp $
|
| +** Lua compiler (saves bytecodes to files; also list bytecodes)
|
| +** See Copyright Notice in lua.h
|
| +*/
|
| +
|
| +#include <errno.h>
|
| +#include <stdio.h>
|
| +#include <stdlib.h>
|
| +#include <string.h>
|
| +
|
| +#define luac_c
|
| +#define LUA_CORE
|
| +
|
| +#include "lua.h"
|
| +#include "lauxlib.h"
|
| +
|
| +#include "lobject.h"
|
| +#include "lstate.h"
|
| +#include "lundump.h"
|
| +
|
| +static void PrintFunction(const Proto* f, int full);
|
| +#define luaU_print PrintFunction
|
| +
|
| +#define PROGNAME "luac" /* default program name */
|
| +#define OUTPUT PROGNAME ".out" /* default output file */
|
| +
|
| +static int listing=0; /* list bytecodes? */
|
| +static int dumping=1; /* dump bytecodes? */
|
| +static int stripping=0; /* strip debug information? */
|
| +static char Output[]={ OUTPUT }; /* default output file name */
|
| +static const char* output=Output; /* actual output file name */
|
| +static const char* progname=PROGNAME; /* actual program name */
|
| +
|
| +static void fatal(const char* message)
|
| +{
|
| + fprintf(stderr,"%s: %s\n",progname,message);
|
| + exit(EXIT_FAILURE);
|
| +}
|
| +
|
| +static void cannot(const char* what)
|
| +{
|
| + fprintf(stderr,"%s: cannot %s %s: %s\n",progname,what,output,strerror(errno));
|
| + exit(EXIT_FAILURE);
|
| +}
|
| +
|
| +static void usage(const char* message)
|
| +{
|
| + if (*message=='-')
|
| + fprintf(stderr,"%s: unrecognized option " LUA_QS "\n",progname,message);
|
| + else
|
| + fprintf(stderr,"%s: %s\n",progname,message);
|
| + fprintf(stderr,
|
| + "usage: %s [options] [filenames]\n"
|
| + "Available options are:\n"
|
| + " -l list (use -l -l for full listing)\n"
|
| + " -o name output to file " LUA_QL("name") " (default is \"%s\")\n"
|
| + " -p parse only\n"
|
| + " -s strip debug information\n"
|
| + " -v show version information\n"
|
| + " -- stop handling options\n"
|
| + " - stop handling options and process stdin\n"
|
| + ,progname,Output);
|
| + exit(EXIT_FAILURE);
|
| +}
|
| +
|
| +#define IS(s) (strcmp(argv[i],s)==0)
|
| +
|
| +static int doargs(int argc, char* argv[])
|
| +{
|
| + int i;
|
| + int version=0;
|
| + if (argv[0]!=NULL && *argv[0]!=0) progname=argv[0];
|
| + for (i=1; i<argc; i++)
|
| + {
|
| + if (*argv[i]!='-') /* end of options; keep it */
|
| + break;
|
| + else if (IS("--")) /* end of options; skip it */
|
| + {
|
| + ++i;
|
| + if (version) ++version;
|
| + break;
|
| + }
|
| + else if (IS("-")) /* end of options; use stdin */
|
| + break;
|
| + else if (IS("-l")) /* list */
|
| + ++listing;
|
| + else if (IS("-o")) /* output file */
|
| + {
|
| + output=argv[++i];
|
| + if (output==NULL || *output==0 || (*output=='-' && output[1]!=0))
|
| + usage(LUA_QL("-o") " needs argument");
|
| + if (IS("-")) output=NULL;
|
| + }
|
| + else if (IS("-p")) /* parse only */
|
| + dumping=0;
|
| + else if (IS("-s")) /* strip debug information */
|
| + stripping=1;
|
| + else if (IS("-v")) /* show version */
|
| + ++version;
|
| + else /* unknown option */
|
| + usage(argv[i]);
|
| + }
|
| + if (i==argc && (listing || !dumping))
|
| + {
|
| + dumping=0;
|
| + argv[--i]=Output;
|
| + }
|
| + if (version)
|
| + {
|
| + printf("%s\n",LUA_COPYRIGHT);
|
| + if (version==argc-1) exit(EXIT_SUCCESS);
|
| + }
|
| + return i;
|
| +}
|
| +
|
| +#define FUNCTION "(function()end)();"
|
| +
|
| +static const char* reader(lua_State *L, void *ud, size_t *size)
|
| +{
|
| + UNUSED(L);
|
| + if ((*(int*)ud)--)
|
| + {
|
| + *size=sizeof(FUNCTION)-1;
|
| + return FUNCTION;
|
| + }
|
| + else
|
| + {
|
| + *size=0;
|
| + return NULL;
|
| + }
|
| +}
|
| +
|
| +#define toproto(L,i) getproto(L->top+(i))
|
| +
|
| +static const Proto* combine(lua_State* L, int n)
|
| +{
|
| + if (n==1)
|
| + return toproto(L,-1);
|
| + else
|
| + {
|
| + Proto* f;
|
| + int i=n;
|
| + if (lua_load(L,reader,&i,"=(" PROGNAME ")",NULL)!=LUA_OK) fatal(lua_tostring(L,-1));
|
| + f=toproto(L,-1);
|
| + for (i=0; i<n; i++)
|
| + {
|
| + f->p[i]=toproto(L,i-n-1);
|
| + if (f->p[i]->sizeupvalues>0) f->p[i]->upvalues[0].instack=0;
|
| + }
|
| + f->sizelineinfo=0;
|
| + return f;
|
| + }
|
| +}
|
| +
|
| +static int writer(lua_State* L, const void* p, size_t size, void* u)
|
| +{
|
| + UNUSED(L);
|
| + return (fwrite(p,size,1,(FILE*)u)!=1) && (size!=0);
|
| +}
|
| +
|
| +static int pmain(lua_State* L)
|
| +{
|
| + int argc=(int)lua_tointeger(L,1);
|
| + char** argv=(char**)lua_touserdata(L,2);
|
| + const Proto* f;
|
| + int i;
|
| + if (!lua_checkstack(L,argc)) fatal("too many input files");
|
| + for (i=0; i<argc; i++)
|
| + {
|
| + const char* filename=IS("-") ? NULL : argv[i];
|
| + if (luaL_loadfile(L,filename)!=LUA_OK) fatal(lua_tostring(L,-1));
|
| + }
|
| + f=combine(L,argc);
|
| + if (listing) luaU_print(f,listing>1);
|
| + if (dumping)
|
| + {
|
| + FILE* D= (output==NULL) ? stdout : fopen(output,"wb");
|
| + if (D==NULL) cannot("open");
|
| + lua_lock(L);
|
| + luaU_dump(L,f,writer,D,stripping);
|
| + lua_unlock(L);
|
| + if (ferror(D)) cannot("write");
|
| + if (fclose(D)) cannot("close");
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +int main(int argc, char* argv[])
|
| +{
|
| + lua_State* L;
|
| + int i=doargs(argc,argv);
|
| + argc-=i; argv+=i;
|
| + if (argc<=0) usage("no input files given");
|
| + L=luaL_newstate();
|
| + if (L==NULL) fatal("cannot create state: not enough memory");
|
| + lua_pushcfunction(L,&pmain);
|
| + lua_pushinteger(L,argc);
|
| + lua_pushlightuserdata(L,argv);
|
| + if (lua_pcall(L,2,0,0)!=LUA_OK) fatal(lua_tostring(L,-1));
|
| + lua_close(L);
|
| + return EXIT_SUCCESS;
|
| +}
|
| +
|
| +/*
|
| +** $Id: print.c,v 1.68 2011/09/30 10:21:20 lhf Exp $
|
| +** print bytecodes
|
| +** See Copyright Notice in lua.h
|
| +*/
|
| +
|
| +#include <ctype.h>
|
| +#include <stdio.h>
|
| +
|
| +#define luac_c
|
| +#define LUA_CORE
|
| +
|
| +#include "ldebug.h"
|
| +#include "lobject.h"
|
| +#include "lopcodes.h"
|
| +
|
| +#define VOID(p) ((const void*)(p))
|
| +
|
| +static void PrintString(const TString* ts)
|
| +{
|
| + const char* s=getstr(ts);
|
| + size_t i,n=ts->tsv.len;
|
| + printf("%c",'"');
|
| + for (i=0; i<n; i++)
|
| + {
|
| + int c=(int)(unsigned char)s[i];
|
| + switch (c)
|
| + {
|
| + case '"': printf("\\\""); break;
|
| + case '\\': printf("\\\\"); break;
|
| + case '\a': printf("\\a"); break;
|
| + case '\b': printf("\\b"); break;
|
| + case '\f': printf("\\f"); break;
|
| + case '\n': printf("\\n"); break;
|
| + case '\r': printf("\\r"); break;
|
| + case '\t': printf("\\t"); break;
|
| + case '\v': printf("\\v"); break;
|
| + default: if (isprint(c))
|
| + printf("%c",c);
|
| + else
|
| + printf("\\%03d",c);
|
| + }
|
| + }
|
| + printf("%c",'"');
|
| +}
|
| +
|
| +static void PrintConstant(const Proto* f, int i)
|
| +{
|
| + const TValue* o=&f->k[i];
|
| + switch (ttype(o))
|
| + {
|
| + case LUA_TNIL:
|
| + printf("nil");
|
| + break;
|
| + case LUA_TBOOLEAN:
|
| + printf(bvalue(o) ? "true" : "false");
|
| + break;
|
| + case LUA_TNUMBER:
|
| + printf(LUA_NUMBER_FMT,nvalue(o));
|
| + break;
|
| + case LUA_TSTRING:
|
| + PrintString(rawtsvalue(o));
|
| + break;
|
| + default: /* cannot happen */
|
| + printf("? type=%d",ttype(o));
|
| + break;
|
| + }
|
| +}
|
| +
|
| +#define UPVALNAME(x) ((f->upvalues[x].name) ? getstr(f->upvalues[x].name) : "-")
|
| +#define MYK(x) (-1-(x))
|
| +
|
| +static void PrintCode(const Proto* f)
|
| +{
|
| + const Instruction* code=f->code;
|
| + int pc,n=f->sizecode;
|
| + for (pc=0; pc<n; pc++)
|
| + {
|
| + Instruction i=code[pc];
|
| + OpCode o=GET_OPCODE(i);
|
| + int a=GETARG_A(i);
|
| + int b=GETARG_B(i);
|
| + int c=GETARG_C(i);
|
| + int ax=GETARG_Ax(i);
|
| + int bx=GETARG_Bx(i);
|
| + int sbx=GETARG_sBx(i);
|
| + int line=getfuncline(f,pc);
|
| + printf("\t%d\t",pc+1);
|
| + if (line>0) printf("[%d]\t",line); else printf("[-]\t");
|
| + printf("%-9s\t",luaP_opnames[o]);
|
| + switch (getOpMode(o))
|
| + {
|
| + case iABC:
|
| + printf("%d",a);
|
| + if (getBMode(o)!=OpArgN) printf(" %d",ISK(b) ? (MYK(INDEXK(b))) : b);
|
| + if (getCMode(o)!=OpArgN) printf(" %d",ISK(c) ? (MYK(INDEXK(c))) : c);
|
| + break;
|
| + case iABx:
|
| + printf("%d",a);
|
| + if (getBMode(o)==OpArgK) printf(" %d",MYK(bx));
|
| + if (getBMode(o)==OpArgU) printf(" %d",bx);
|
| + break;
|
| + case iAsBx:
|
| + printf("%d %d",a,sbx);
|
| + break;
|
| + case iAx:
|
| + printf("%d",MYK(ax));
|
| + break;
|
| + }
|
| + switch (o)
|
| + {
|
| + case OP_LOADK:
|
| + printf("\t; "); PrintConstant(f,bx);
|
| + break;
|
| + case OP_GETUPVAL:
|
| + case OP_SETUPVAL:
|
| + printf("\t; %s",UPVALNAME(b));
|
| + break;
|
| + case OP_GETTABUP:
|
| + printf("\t; %s",UPVALNAME(b));
|
| + if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); }
|
| + break;
|
| + case OP_SETTABUP:
|
| + printf("\t; %s",UPVALNAME(a));
|
| + if (ISK(b)) { printf(" "); PrintConstant(f,INDEXK(b)); }
|
| + if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); }
|
| + break;
|
| + case OP_GETTABLE:
|
| + case OP_SELF:
|
| + if (ISK(c)) { printf("\t; "); PrintConstant(f,INDEXK(c)); }
|
| + break;
|
| + case OP_SETTABLE:
|
| + case OP_ADD:
|
| + case OP_SUB:
|
| + case OP_MUL:
|
| + case OP_DIV:
|
| + case OP_POW:
|
| + case OP_EQ:
|
| + case OP_LT:
|
| + case OP_LE:
|
| + if (ISK(b) || ISK(c))
|
| + {
|
| + printf("\t; ");
|
| + if (ISK(b)) PrintConstant(f,INDEXK(b)); else printf("-");
|
| + printf(" ");
|
| + if (ISK(c)) PrintConstant(f,INDEXK(c)); else printf("-");
|
| + }
|
| + break;
|
| + case OP_JMP:
|
| + case OP_FORLOOP:
|
| + case OP_FORPREP:
|
| + case OP_TFORLOOP:
|
| + printf("\t; to %d",sbx+pc+2);
|
| + break;
|
| + case OP_CLOSURE:
|
| + printf("\t; %p",VOID(f->p[bx]));
|
| + break;
|
| + case OP_SETLIST:
|
| + if (c==0) printf("\t; %d",(int)code[++pc]); else printf("\t; %d",c);
|
| + break;
|
| + case OP_EXTRAARG:
|
| + printf("\t; "); PrintConstant(f,ax);
|
| + break;
|
| + default:
|
| + break;
|
| + }
|
| + printf("\n");
|
| + }
|
| +}
|
| +
|
| +#define SS(x) ((x==1)?"":"s")
|
| +#define S(x) (int)(x),SS(x)
|
| +
|
| +static void PrintHeader(const Proto* f)
|
| +{
|
| + const char* s=f->source ? getstr(f->source) : "=?";
|
| + if (*s=='@' || *s=='=')
|
| + s++;
|
| + else if (*s==LUA_SIGNATURE[0])
|
| + s="(bstring)";
|
| + else
|
| + s="(string)";
|
| + printf("\n%s <%s:%d,%d> (%d instruction%s at %p)\n",
|
| + (f->linedefined==0)?"main":"function",s,
|
| + f->linedefined,f->lastlinedefined,
|
| + S(f->sizecode),VOID(f));
|
| + printf("%d%s param%s, %d slot%s, %d upvalue%s, ",
|
| + (int)(f->numparams),f->is_vararg?"+":"",SS(f->numparams),
|
| + S(f->maxstacksize),S(f->sizeupvalues));
|
| + printf("%d local%s, %d constant%s, %d function%s\n",
|
| + S(f->sizelocvars),S(f->sizek),S(f->sizep));
|
| +}
|
| +
|
| +static void PrintDebug(const Proto* f)
|
| +{
|
| + int i,n;
|
| + n=f->sizek;
|
| + printf("constants (%d) for %p:\n",n,VOID(f));
|
| + for (i=0; i<n; i++)
|
| + {
|
| + printf("\t%d\t",i+1);
|
| + PrintConstant(f,i);
|
| + printf("\n");
|
| + }
|
| + n=f->sizelocvars;
|
| + printf("locals (%d) for %p:\n",n,VOID(f));
|
| + for (i=0; i<n; i++)
|
| + {
|
| + printf("\t%d\t%s\t%d\t%d\n",
|
| + i,getstr(f->locvars[i].varname),f->locvars[i].startpc+1,f->locvars[i].endpc+1);
|
| + }
|
| + n=f->sizeupvalues;
|
| + printf("upvalues (%d) for %p:\n",n,VOID(f));
|
| + for (i=0; i<n; i++)
|
| + {
|
| + printf("\t%d\t%s\t%d\t%d\n",
|
| + i,UPVALNAME(i),f->upvalues[i].instack,f->upvalues[i].idx);
|
| + }
|
| +}
|
| +
|
| +static void PrintFunction(const Proto* f, int full)
|
| +{
|
| + int i,n=f->sizep;
|
| + PrintHeader(f);
|
| + PrintCode(f);
|
| + if (full) PrintDebug(f);
|
| + for (i=0; i<n; i++) PrintFunction(f->p[i],full);
|
| +}
|
|
|
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